261021015

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{32771}}^1$

素因数の和:32844

約数の個数: 32

約数和(自身を含む): 471916800

約数和(自身を除く): 210895785

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2655, 7965, 32771, 98313, 163855, 294939, 491565, 884817, 1474695, 1933489, 4424085, 5800467, 9667445, 17401401, 29002335, 52204203, 87007005, 261021015]

約数ペア:

[(1, 261021015), (3, 87007005), (5, 52204203), (9, 29002335), (15, 17401401), (27, 9667445), (45, 5800467), (59, 4424085), (135, 1933489), (177, 1474695), (295, 884817), (531, 491565), (885, 294939), (1593, 163855), (2655, 98313), (7965, 32771)]