39720993

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 60907392

約数和(自身を除く): 21186399

約数列:

[1, 3, 13, 17, 39, 51, 181, 221, 331, 543, 663, 993, 2353, 3077, 4303, 5627, 7059, 9231, 12909, 16881, 40001, 59911, 73151, 120003, 179733, 219453, 778843, 1018487, 2336529, 3055461, 13240331, 39720993]

約数ペア:

[(1, 39720993), (3, 13240331), (13, 3055461), (17, 2336529), (39, 1018487), (51, 778843), (181, 219453), (221, 179733), (331, 120003), (543, 73151), (663, 59911), (993, 40001), (2353, 16881), (3077, 12909), (4303, 9231), (5627, 7059)]