641902077

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1637}}^1$

素因数の和:1799

約数の個数: 40

約数和(自身を含む): 989404416

約数和(自身を除く): 347502339

約数列:

[1, 3, 9, 27, 47, 81, 103, 141, 309, 423, 927, 1269, 1637, 2781, 3807, 4841, 4911, 8343, 14523, 14733, 43569, 44199, 76939, 130707, 132597, 168611, 230817, 392121, 505833, 692451, 1517499, 2077353, 4552497, 6232059, 7924717, 13657491, 23774151, 71322453, 213967359, 641902077]

約数ペア:

[(1, 641902077), (3, 213967359), (9, 71322453), (27, 23774151), (47, 13657491), (81, 7924717), (103, 6232059), (141, 4552497), (309, 2077353), (423, 1517499), (927, 692451), (1269, 505833), (1637, 392121), (2781, 230817), (3807, 168611), (4841, 132597), (4911, 130707), (8343, 76939), (14523, 44199), (14733, 43569)]