258879465

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23291}}^1$

素因数の和:23334

約数の個数: 48

約数和(自身を含む): 508697280

約数和(自身を除く): 249817815

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 11115, 23291, 69873, 116455, 209619, 302783, 349365, 442529, 908349, 1048095, 1327587, 1513915, 2212645, 2725047, 3982761, 4541745, 5752877, 6637935, 13625235, 17258631, 19913805, 28764385, 51775893, 86293155, 258879465]

約数ペア:

[(1, 258879465), (3, 86293155), (5, 51775893), (9, 28764385), (13, 19913805), (15, 17258631), (19, 13625235), (39, 6637935), (45, 5752877), (57, 4541745), (65, 3982761), (95, 2725047), (117, 2212645), (171, 1513915), (195, 1327587), (247, 1048095), (285, 908349), (585, 442529), (741, 349365), (855, 302783), (1235, 209619), (2223, 116455), (3705, 69873), (11115, 23291)]