1287429741

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1601}}^1$

素因数の和:1731

約数の個数: 64

約数和(自身を含む): 2153088000

約数和(自身を除く): 865658259

約数列:

[1, 3, 9, 13, 27, 29, 39, 79, 87, 117, 237, 261, 351, 377, 711, 783, 1027, 1131, 1601, 2133, 2291, 3081, 3393, 4803, 6873, 9243, 10179, 14409, 20619, 20813, 27729, 29783, 43227, 46429, 61857, 62439, 89349, 126479, 139287, 187317, 268047, 379437, 417861, 561951, 603577, 804141, 1138311, 1253583, 1644227, 1810731, 3414933, 3667891, 4932681, 5432193, 11003673, 14798043, 16296579, 33011019, 44394129, 47682583, 99033057, 143047749, 429143247, 1287429741]

約数ペア:

[(1, 1287429741), (3, 429143247), (9, 143047749), (13, 99033057), (27, 47682583), (29, 44394129), (39, 33011019), (79, 16296579), (87, 14798043), (117, 11003673), (237, 5432193), (261, 4932681), (351, 3667891), (377, 3414933), (711, 1810731), (783, 1644227), (1027, 1253583), (1131, 1138311), (1601, 804141), (2133, 603577), (2291, 561951), (3081, 417861), (3393, 379437), (4803, 268047), (6873, 187317), (9243, 139287), (10179, 126479), (14409, 89349), (20619, 62439), (20813, 61857), (27729, 46429), (29783, 43227)]