664349553

素因数分解:

$3^3\times 7^1\times {\mathrm{991}}^1\times {\mathrm{3547}}^1$

素因数の和:4554

約数の個数: 32

約数和(自身を含む): 1126277120

約数和(自身を除く): 461927567

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 991, 2973, 3547, 6937, 8919, 10641, 20811, 24829, 26757, 31923, 62433, 74487, 95769, 187299, 223461, 670383, 3515077, 10545231, 24605539, 31635693, 73816617, 94907079, 221449851, 664349553]

約数ペア:

[(1, 664349553), (3, 221449851), (7, 94907079), (9, 73816617), (21, 31635693), (27, 24605539), (63, 10545231), (189, 3515077), (991, 670383), (2973, 223461), (3547, 187299), (6937, 95769), (8919, 74487), (10641, 62433), (20811, 31923), (24829, 26757)]