331157715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 621388800

約数和(自身を除く): 290231085

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 149, 183, 305, 347, 427, 447, 745, 915, 1041, 1043, 1281, 1735, 2135, 2235, 2429, 3129, 5205, 5215, 6405, 7287, 9089, 12145, 15645, 21167, 27267, 36435, 45445, 51703, 63501, 63623, 105835, 136335, 148169, 155109, 190869, 258515, 317505, 318115, 361921, 444507, 740845, 775545, 954345, 1085763, 1809605, 2222535, 3153883, 5428815, 9461649, 15769415, 22077181, 47308245, 66231543, 110385905, 331157715]

約数ペア:

[(1, 331157715), (3, 110385905), (5, 66231543), (7, 47308245), (15, 22077181), (21, 15769415), (35, 9461649), (61, 5428815), (105, 3153883), (149, 2222535), (183, 1809605), (305, 1085763), (347, 954345), (427, 775545), (447, 740845), (745, 444507), (915, 361921), (1041, 318115), (1043, 317505), (1281, 258515), (1735, 190869), (2135, 155109), (2235, 148169), (2429, 136335), (3129, 105835), (5205, 63623), (5215, 63501), (6405, 51703), (7287, 45445), (9089, 36435), (12145, 27267), (15645, 21167)]