216700365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1471}}^1$

素因数の和:1570

約数の個数: 64

約数和(自身を含む): 420544512

約数和(自身を除く): 203844147

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 61, 69, 105, 115, 161, 183, 305, 345, 427, 483, 805, 915, 1281, 1403, 1471, 2135, 2415, 4209, 4413, 6405, 7015, 7355, 9821, 10297, 21045, 22065, 29463, 30891, 33833, 49105, 51485, 89731, 101499, 147315, 154455, 169165, 236831, 269193, 448655, 507495, 628117, 710493, 1184155, 1345965, 1884351, 2063813, 3140585, 3552465, 6191439, 9421755, 10319065, 14446691, 30957195, 43340073, 72233455, 216700365]

約数ペア:

[(1, 216700365), (3, 72233455), (5, 43340073), (7, 30957195), (15, 14446691), (21, 10319065), (23, 9421755), (35, 6191439), (61, 3552465), (69, 3140585), (105, 2063813), (115, 1884351), (161, 1345965), (183, 1184155), (305, 710493), (345, 628117), (427, 507495), (483, 448655), (805, 269193), (915, 236831), (1281, 169165), (1403, 154455), (1471, 147315), (2135, 101499), (2415, 89731), (4209, 51485), (4413, 49105), (6405, 33833), (7015, 30891), (7355, 29463), (9821, 22065), (10297, 21045)]