4003965

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 8601600

約数和(自身を除く): 4597635

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 171, 189, 223, 285, 315, 399, 513, 665, 669, 855, 945, 1115, 1197, 1561, 1995, 2007, 2565, 3345, 3591, 4237, 4683, 5985, 6021, 7805, 10035, 12711, 14049, 17955, 21185, 23415, 29659, 30105, 38133, 42147, 63555, 70245, 88977, 114399, 148295, 190665, 210735, 266931, 444885, 571995, 800793, 1334655, 4003965]

約数ペア:

[(1, 4003965), (3, 1334655), (5, 800793), (7, 571995), (9, 444885), (15, 266931), (19, 210735), (21, 190665), (27, 148295), (35, 114399), (45, 88977), (57, 70245), (63, 63555), (95, 42147), (105, 38133), (133, 30105), (135, 29659), (171, 23415), (189, 21185), (223, 17955), (285, 14049), (315, 12711), (399, 10035), (513, 7805), (665, 6021), (669, 5985), (855, 4683), (945, 4237), (1115, 3591), (1197, 3345), (1561, 2565), (1995, 2007)]