31465425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 55710720

約数和(自身を除く): 24245295

約数列:

[1, 3, 5, 15, 19, 25, 57, 71, 75, 95, 213, 285, 311, 355, 475, 933, 1065, 1349, 1425, 1555, 1775, 4047, 4665, 5325, 5909, 6745, 7775, 17727, 20235, 22081, 23325, 29545, 33725, 66243, 88635, 101175, 110405, 147725, 331215, 419539, 443175, 552025, 1258617, 1656075, 2097695, 6293085, 10488475, 31465425]

約数ペア:

[(1, 31465425), (3, 10488475), (5, 6293085), (15, 2097695), (19, 1656075), (25, 1258617), (57, 552025), (71, 443175), (75, 419539), (95, 331215), (213, 147725), (285, 110405), (311, 101175), (355, 88635), (475, 66243), (933, 33725), (1065, 29545), (1349, 23325), (1425, 22081), (1555, 20235), (1775, 17727), (4047, 7775), (4665, 6745), (5325, 5909)]