28934625

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 52715520

約数和(自身を除く): 23780895

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 75, 93, 95, 125, 131, 155, 285, 375, 393, 465, 475, 589, 655, 775, 1425, 1767, 1965, 2325, 2375, 2489, 2945, 3275, 3875, 4061, 7125, 7467, 8835, 9825, 11625, 12183, 12445, 14725, 16375, 20305, 37335, 44175, 49125, 60915, 62225, 73625, 77159, 101525, 186675, 220875, 231477, 304575, 311125, 385795, 507625, 933375, 1157385, 1522875, 1928975, 5786925, 9644875, 28934625]

約数ペア:

[(1, 28934625), (3, 9644875), (5, 5786925), (15, 1928975), (19, 1522875), (25, 1157385), (31, 933375), (57, 507625), (75, 385795), (93, 311125), (95, 304575), (125, 231477), (131, 220875), (155, 186675), (285, 101525), (375, 77159), (393, 73625), (465, 62225), (475, 60915), (589, 49125), (655, 44175), (775, 37335), (1425, 20305), (1767, 16375), (1965, 14725), (2325, 12445), (2375, 12183), (2489, 11625), (2945, 9825), (3275, 8835), (3875, 7467), (4061, 7125)]