401020425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1931}}^1$

素因数の和:2031

約数の個数: 72

約数和(自身を含む): 784824768

約数和(自身を除く): 383804343

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 71, 75, 117, 195, 213, 225, 325, 355, 585, 639, 923, 975, 1065, 1775, 1931, 2769, 2925, 3195, 4615, 5325, 5793, 8307, 9655, 13845, 15975, 17379, 23075, 25103, 28965, 41535, 48275, 69225, 75309, 86895, 125515, 137101, 144825, 207675, 225927, 376545, 411303, 434475, 627575, 685505, 1129635, 1233909, 1782313, 1882725, 2056515, 3427525, 5346939, 5648175, 6169545, 8911565, 10282575, 16040817, 26734695, 30847725, 44557825, 80204085, 133673475, 401020425]

約数ペア:

[(1, 401020425), (3, 133673475), (5, 80204085), (9, 44557825), (13, 30847725), (15, 26734695), (25, 16040817), (39, 10282575), (45, 8911565), (65, 6169545), (71, 5648175), (75, 5346939), (117, 3427525), (195, 2056515), (213, 1882725), (225, 1782313), (325, 1233909), (355, 1129635), (585, 685505), (639, 627575), (923, 434475), (975, 411303), (1065, 376545), (1775, 225927), (1931, 207675), (2769, 144825), (2925, 137101), (3195, 125515), (4615, 86895), (5325, 75309), (5793, 69225), (8307, 48275), (9655, 41535), (13845, 28965), (15975, 25103), (17379, 23075)]