16406325

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 32497920

約数和(自身を除く): 16091595

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 71, 75, 79, 117, 195, 213, 225, 237, 325, 355, 395, 585, 639, 711, 923, 975, 1027, 1065, 1185, 1775, 1975, 2769, 2925, 3081, 3195, 3555, 4615, 5135, 5325, 5609, 5925, 8307, 9243, 13845, 15405, 15975, 16827, 17775, 23075, 25675, 28045, 41535, 46215, 50481, 69225, 72917, 77025, 84135, 140225, 207675, 218751, 231075, 252405, 364585, 420675, 656253, 1093755, 1262025, 1822925, 3281265, 5468775, 16406325]

約数ペア:

[(1, 16406325), (3, 5468775), (5, 3281265), (9, 1822925), (13, 1262025), (15, 1093755), (25, 656253), (39, 420675), (45, 364585), (65, 252405), (71, 231075), (75, 218751), (79, 207675), (117, 140225), (195, 84135), (213, 77025), (225, 72917), (237, 69225), (325, 50481), (355, 46215), (395, 41535), (585, 28045), (639, 25675), (711, 23075), (923, 17775), (975, 16827), (1027, 15975), (1065, 15405), (1185, 13845), (1775, 9243), (1975, 8307), (2769, 5925), (2925, 5609), (3081, 5325), (3195, 5135), (3555, 4615)]