71031075

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 122658816

約数和(自身を除く): 51627741

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 137, 155, 223, 411, 465, 669, 685, 775, 1115, 2055, 2325, 3345, 3425, 4247, 5575, 6913, 10275, 12741, 16725, 20739, 21235, 30551, 34565, 63705, 91653, 103695, 106175, 152755, 172825, 318525, 458265, 518475, 763775, 947081, 2291325, 2841243, 4735405, 14206215, 23677025, 71031075]

約数ペア:

[(1, 71031075), (3, 23677025), (5, 14206215), (15, 4735405), (25, 2841243), (31, 2291325), (75, 947081), (93, 763775), (137, 518475), (155, 458265), (223, 318525), (411, 172825), (465, 152755), (669, 106175), (685, 103695), (775, 91653), (1115, 63705), (2055, 34565), (2325, 30551), (3345, 21235), (3425, 20739), (4247, 16725), (5575, 12741), (6913, 10275)]