836403075

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1405

約数の個数: 72

約数和(自身を含む): 1557462816

約数和(自身を除く): 721059741

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 71, 75, 123, 205, 213, 225, 355, 369, 615, 639, 1025, 1065, 1277, 1775, 1845, 2911, 3075, 3195, 3831, 5325, 6385, 8733, 9225, 11493, 14555, 15975, 19155, 26199, 31925, 43665, 52357, 57465, 72775, 90667, 95775, 130995, 157071, 218325, 261785, 272001, 287325, 453335, 471213, 654975, 785355, 816003, 1308925, 1360005, 2266675, 2356065, 3717347, 3926775, 4080015, 6800025, 11152041, 11780325, 18586735, 20400075, 33456123, 55760205, 92933675, 167280615, 278801025, 836403075]

約数ペア:

[(1, 836403075), (3, 278801025), (5, 167280615), (9, 92933675), (15, 55760205), (25, 33456123), (41, 20400075), (45, 18586735), (71, 11780325), (75, 11152041), (123, 6800025), (205, 4080015), (213, 3926775), (225, 3717347), (355, 2356065), (369, 2266675), (615, 1360005), (639, 1308925), (1025, 816003), (1065, 785355), (1277, 654975), (1775, 471213), (1845, 453335), (2911, 287325), (3075, 272001), (3195, 261785), (3831, 218325), (5325, 157071), (6385, 130995), (8733, 95775), (9225, 90667), (11493, 72775), (14555, 57465), (15975, 52357), (19155, 43665), (26199, 31925)]