81988515

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 108

約数和(自身を含む): 176168304

約数和(自身を除く): 94179789

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 103, 105, 133, 147, 171, 245, 285, 309, 315, 361, 399, 441, 515, 665, 721, 735, 855, 927, 931, 1083, 1197, 1545, 1805, 1957, 1995, 2163, 2205, 2527, 2793, 3249, 3605, 4635, 4655, 5047, 5415, 5871, 5985, 6489, 7581, 8379, 9785, 10815, 12635, 13699, 13965, 15141, 16245, 17613, 17689, 22743, 25235, 29355, 32445, 37183, 37905, 41097, 41895, 45423, 53067, 68495, 75705, 88065, 88445, 95893, 111549, 113715, 123291, 159201, 185915, 205485, 227115, 260281, 265335, 287679, 334647, 479465, 557745, 616455, 780843, 796005, 863037, 1301405, 1438395, 1673235, 1821967, 2342529, 3904215, 4315185, 5465901, 9109835, 11712645, 16397703, 27329505, 81988515]

約数ペア:

[(1, 81988515), (3, 27329505), (5, 16397703), (7, 11712645), (9, 9109835), (15, 5465901), (19, 4315185), (21, 3904215), (35, 2342529), (45, 1821967), (49, 1673235), (57, 1438395), (63, 1301405), (95, 863037), (103, 796005), (105, 780843), (133, 616455), (147, 557745), (171, 479465), (245, 334647), (285, 287679), (309, 265335), (315, 260281), (361, 227115), (399, 205485), (441, 185915), (515, 159201), (665, 123291), (721, 113715), (735, 111549), (855, 95893), (927, 88445), (931, 88065), (1083, 75705), (1197, 68495), (1545, 53067), (1805, 45423), (1957, 41895), (1995, 41097), (2163, 37905), (2205, 37183), (2527, 32445), (2793, 29355), (3249, 25235), (3605, 22743), (4635, 17689), (4655, 17613), (5047, 16245), (5415, 15141), (5871, 13965), (5985, 13699), (6489, 12635), (7581, 10815), (8379, 9785)]