13468815

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 25920000

約数和(自身を除く): 12451185

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 59, 89, 95, 135, 171, 177, 267, 285, 295, 445, 513, 531, 801, 855, 885, 1121, 1335, 1593, 1691, 2403, 2565, 2655, 3363, 4005, 5073, 5251, 5605, 7965, 8455, 10089, 12015, 15219, 15753, 16815, 25365, 26255, 30267, 45657, 47259, 50445, 76095, 78765, 99769, 141777, 151335, 228285, 236295, 299307, 498845, 708885, 897921, 1496535, 2693763, 4489605, 13468815]

約数ペア:

[(1, 13468815), (3, 4489605), (5, 2693763), (9, 1496535), (15, 897921), (19, 708885), (27, 498845), (45, 299307), (57, 236295), (59, 228285), (89, 151335), (95, 141777), (135, 99769), (171, 78765), (177, 76095), (267, 50445), (285, 47259), (295, 45657), (445, 30267), (513, 26255), (531, 25365), (801, 16815), (855, 15753), (885, 15219), (1121, 12015), (1335, 10089), (1593, 8455), (1691, 7965), (2403, 5605), (2565, 5251), (2655, 5073), (3363, 4005)]