251170065

素因数分解:

$3^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1777}}^1$

素因数の和:2143

約数の個数: 40

約数和(自身を含む): 451789800

約数和(自身を除く): 200619735

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 349, 405, 1047, 1745, 1777, 3141, 5235, 5331, 8885, 9423, 15705, 15993, 26655, 28269, 47115, 47979, 79965, 141345, 143937, 239895, 620173, 719685, 1860519, 3100865, 5581557, 9302595, 16744671, 27907785, 50234013, 83723355, 251170065]

約数ペア:

[(1, 251170065), (3, 83723355), (5, 50234013), (9, 27907785), (15, 16744671), (27, 9302595), (45, 5581557), (81, 3100865), (135, 1860519), (349, 719685), (405, 620173), (1047, 239895), (1745, 143937), (1777, 141345), (3141, 79965), (5235, 47979), (5331, 47115), (8885, 28269), (9423, 26655), (15705, 15993)]