219158415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 450717696

約数和(自身を除く): 231559281

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 113, 131, 141, 235, 315, 329, 339, 393, 423, 565, 655, 705, 791, 917, 987, 1017, 1179, 1645, 1695, 1965, 2115, 2373, 2751, 2961, 3955, 4585, 4935, 5085, 5311, 5895, 6157, 7119, 8253, 11865, 13755, 14803, 14805, 15933, 18471, 26555, 30785, 35595, 37177, 41265, 43099, 44409, 47799, 55413, 74015, 79665, 92355, 103621, 111531, 129297, 133227, 185885, 215495, 222045, 238995, 277065, 310863, 334593, 387891, 518105, 557655, 646485, 666135, 695741, 932589, 1554315, 1672965, 1939455, 2087223, 3478705, 4662945, 4870187, 6261669, 10436115, 14610561, 24350935, 31308345, 43831683, 73052805, 219158415]

約数ペア:

[(1, 219158415), (3, 73052805), (5, 43831683), (7, 31308345), (9, 24350935), (15, 14610561), (21, 10436115), (35, 6261669), (45, 4870187), (47, 4662945), (63, 3478705), (105, 2087223), (113, 1939455), (131, 1672965), (141, 1554315), (235, 932589), (315, 695741), (329, 666135), (339, 646485), (393, 557655), (423, 518105), (565, 387891), (655, 334593), (705, 310863), (791, 277065), (917, 238995), (987, 222045), (1017, 215495), (1179, 185885), (1645, 133227), (1695, 129297), (1965, 111531), (2115, 103621), (2373, 92355), (2751, 79665), (2961, 74015), (3955, 55413), (4585, 47799), (4935, 44409), (5085, 43099), (5311, 41265), (5895, 37177), (6157, 35595), (7119, 30785), (8253, 26555), (11865, 18471), (13755, 15933), (14803, 14805)]