213075105

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 372252672

約数和(自身を除く): 159177567

約数列:

[1, 3, 5, 15, 23, 43, 53, 69, 115, 129, 159, 215, 265, 271, 345, 645, 795, 813, 989, 1219, 1355, 2279, 2967, 3657, 4065, 4945, 6095, 6233, 6837, 11395, 11653, 14363, 14835, 18285, 18699, 31165, 34185, 34959, 43089, 52417, 58265, 71815, 93495, 157251, 174795, 215445, 262085, 268019, 330349, 617609, 786255, 804057, 991047, 1340095, 1651745, 1852827, 3088045, 4020285, 4955235, 9264135, 14205007, 42615021, 71025035, 213075105]

約数ペア:

[(1, 213075105), (3, 71025035), (5, 42615021), (15, 14205007), (23, 9264135), (43, 4955235), (53, 4020285), (69, 3088045), (115, 1852827), (129, 1651745), (159, 1340095), (215, 991047), (265, 804057), (271, 786255), (345, 617609), (645, 330349), (795, 268019), (813, 262085), (989, 215445), (1219, 174795), (1355, 157251), (2279, 93495), (2967, 71815), (3657, 58265), (4065, 52417), (4945, 43089), (6095, 34959), (6233, 34185), (6837, 31165), (11395, 18699), (11653, 18285), (14363, 14835)]