3904915

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 32

約数和(自身を含む): 5713920

約数和(自身を除く): 1809005

約数列:

[1, 5, 7, 31, 35, 59, 61, 155, 217, 295, 305, 413, 427, 1085, 1829, 1891, 2065, 2135, 3599, 9145, 9455, 12803, 13237, 17995, 25193, 64015, 66185, 111569, 125965, 557845, 780983, 3904915]

約数ペア:

[(1, 3904915), (5, 780983), (7, 557845), (31, 125965), (35, 111569), (59, 66185), (61, 64015), (155, 25193), (217, 17995), (295, 13237), (305, 12803), (413, 9455), (427, 9145), (1085, 3599), (1829, 2135), (1891, 2065)]