54328125

素因数分解:

$3^1\times 5^6\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 56

約数和(自身を含む): 96873760

約数和(自身を除く): 42545635

約数列:

[1, 3, 5, 15, 19, 25, 57, 61, 75, 95, 125, 183, 285, 305, 375, 475, 625, 915, 1159, 1425, 1525, 1875, 2375, 3125, 3477, 4575, 5795, 7125, 7625, 9375, 11875, 15625, 17385, 22875, 28975, 35625, 38125, 46875, 59375, 86925, 114375, 144875, 178125, 190625, 296875, 434625, 571875, 724375, 890625, 953125, 2173125, 2859375, 3621875, 10865625, 18109375, 54328125]

約数ペア:

[(1, 54328125), (3, 18109375), (5, 10865625), (15, 3621875), (19, 2859375), (25, 2173125), (57, 953125), (61, 890625), (75, 724375), (95, 571875), (125, 434625), (183, 296875), (285, 190625), (305, 178125), (375, 144875), (475, 114375), (625, 86925), (915, 59375), (1159, 46875), (1425, 38125), (1525, 35625), (1875, 28975), (2375, 22875), (3125, 17385), (3477, 15625), (4575, 11875), (5795, 9375), (7125, 7625)]