222721905

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 421977600

約数和(自身を除く): 199255695

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 73, 105, 147, 219, 245, 343, 365, 511, 593, 735, 1029, 1095, 1533, 1715, 1779, 2555, 2965, 3577, 4151, 5145, 7665, 8895, 10731, 12453, 17885, 20755, 25039, 29057, 43289, 53655, 62265, 75117, 87171, 125195, 129867, 145285, 203399, 216445, 303023, 375585, 435855, 610197, 649335, 909069, 1016995, 1515115, 2121161, 3050985, 4545345, 6363483, 10605805, 14848127, 31817415, 44544381, 74240635, 222721905]

約数ペア:

[(1, 222721905), (3, 74240635), (5, 44544381), (7, 31817415), (15, 14848127), (21, 10605805), (35, 6363483), (49, 4545345), (73, 3050985), (105, 2121161), (147, 1515115), (219, 1016995), (245, 909069), (343, 649335), (365, 610197), (511, 435855), (593, 375585), (735, 303023), (1029, 216445), (1095, 203399), (1533, 145285), (1715, 129867), (1779, 125195), (2555, 87171), (2965, 75117), (3577, 62265), (4151, 53655), (5145, 43289), (7665, 29057), (8895, 25039), (10731, 20755), (12453, 17885)]