172389555

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2861}}^1$

素因数の和:2988

約数の個数: 48

約数和(自身を含む): 325031616

約数和(自身を除く): 152642061

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 103, 117, 195, 309, 515, 585, 927, 1339, 1545, 2861, 4017, 4635, 6695, 8583, 12051, 14305, 20085, 25749, 37193, 42915, 60255, 111579, 128745, 185965, 294683, 334737, 557895, 884049, 1473415, 1673685, 2652147, 3830879, 4420245, 11492637, 13260735, 19154395, 34477911, 57463185, 172389555]

約数ペア:

[(1, 172389555), (3, 57463185), (5, 34477911), (9, 19154395), (13, 13260735), (15, 11492637), (39, 4420245), (45, 3830879), (65, 2652147), (103, 1673685), (117, 1473415), (195, 884049), (309, 557895), (515, 334737), (585, 294683), (927, 185965), (1339, 128745), (1545, 111579), (2861, 60255), (4017, 42915), (4635, 37193), (6695, 25749), (8583, 20085), (12051, 14305)]