78909375

素因数分解:

$3^1\times 5^5\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 138741120

約数和(自身を除く): 59831745

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 443, 475, 625, 1329, 1425, 1875, 2215, 2375, 3125, 6645, 7125, 8417, 9375, 11075, 11875, 25251, 33225, 35625, 42085, 55375, 59375, 126255, 166125, 178125, 210425, 276875, 631275, 830625, 1052125, 1384375, 3156375, 4153125, 5260625, 15781875, 26303125, 78909375]

約数ペア:

[(1, 78909375), (3, 26303125), (5, 15781875), (15, 5260625), (19, 4153125), (25, 3156375), (57, 1384375), (75, 1052125), (95, 830625), (125, 631275), (285, 276875), (375, 210425), (443, 178125), (475, 166125), (625, 126255), (1329, 59375), (1425, 55375), (1875, 42085), (2215, 35625), (2375, 33225), (3125, 25251), (6645, 11875), (7125, 11075), (8417, 9375)]