40402215

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 82909008

約数和(自身を除く): 42506793

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 73, 105, 147, 219, 245, 251, 315, 365, 441, 511, 657, 735, 753, 1095, 1255, 1533, 1757, 2205, 2259, 2555, 3285, 3577, 3765, 4599, 5271, 7665, 8785, 10731, 11295, 12299, 15813, 17885, 18323, 22995, 26355, 32193, 36897, 53655, 54969, 61495, 79065, 91615, 110691, 128261, 160965, 164907, 184485, 274845, 384783, 553455, 641305, 824535, 897827, 1154349, 1923915, 2693481, 4489135, 5771745, 8080443, 13467405, 40402215]

約数ペア:

[(1, 40402215), (3, 13467405), (5, 8080443), (7, 5771745), (9, 4489135), (15, 2693481), (21, 1923915), (35, 1154349), (45, 897827), (49, 824535), (63, 641305), (73, 553455), (105, 384783), (147, 274845), (219, 184485), (245, 164907), (251, 160965), (315, 128261), (365, 110691), (441, 91615), (511, 79065), (657, 61495), (735, 54969), (753, 53655), (1095, 36897), (1255, 32193), (1533, 26355), (1757, 22995), (2205, 18323), (2259, 17885), (2555, 15813), (3285, 12299), (3577, 11295), (3765, 10731), (4599, 8785), (5271, 7665)]